Guardvibe runs on your own machine — the client starts it, so there is no endpoint to ping. 1 673 installs a week from npm. Last commit 1 Nov 2026.
Deterministic security layer your AI can't be. 639 rules, 39 tools, CLI + doctor + host audit.
What the code does
We read the source, 22 h ago · rules 995398eba69f
Things with no honest explanation: a promise that contradicts the code, code that runs at install time while hiding what it does, data leaving the machine.
/(?:(?:child_process|cp)[\s\S]*?(?:exec|execSync|spawn|spawnSync)|\.exec(?:Sync)?\s*\(|\.spawn(?:Sync)?\s*\(|os\.system|os\.popen|subprocess\.(?:call|run|Popen)|shell_exec)\s*\(\s*(?:`[^`]*\$\{|['"][^'"]*['"]\s*\+|f['"][^'"]*\{|.*(?:req\.|request\.|params\.|body\.|input|argv))/gi,
What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.
/(?:query|execute|raw|sql|all|run|get|exec|prepare|literal|QueryRow|QueryContext)\s*\(\s*(?:`[^`]*\$\{|(?:"[^"]*"|'[^']*')\s*\+\s*|f"[^"]*\{|f'[^']*\{|['"][^'"]*['"]\s*%\s*|['"][^'"]*['"]\s*\.format\s*\(|['"][^'"]*['"]\s*,\s*(?:req\.|request\.|params\.|body\.|args))|(?:=|re…
/(?:(?:child_process|cp)[\s\S]*?(?:exec|execSync|spawn|spawnSync)|\.exec(?:Sync)?\s*\(|\.spawn(?:Sync)?\s*\(|os\.system|os\.popen|subprocess\.(?:call|run|Popen)|shell_exec)\s*\(\s*(?:`[^`]*\$\{|['"][^'"]*['"]\s*\+|f['"][^'"]*\{|.*(?:req\.|request\.|params\.|body\.|input|argv))/gi,
"Package install script reads credential files (.npmrc, .ssh, .aws, .env, .git-credentials). The SANDWORM_MODE worm (2026) and Shai-Hulud variants use this technique to steal developer tokens and propagate to other packages.",
Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.
We found things in this code
Code changes quietly between releases, and nobody reads the diff of a dependency. We do, on every release — watch Guardvibe and you get told the day something new turns up.
Connect this server
This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.
claude mcp add guardvibe -- npx -y guardvibe{
"mcpServers": {
"guardvibe": {
"command": "npx",
"args": [
"-y",
"guardvibe"
]
}
}
}[mcp_servers.guardvibe]
command = "npx"
args = ["-y", "guardvibe"]{
"mcpServers": {
"guardvibe": {
"command": "npx",
"args": [
"-y",
"guardvibe"
]
}
}
}{
"servers": {
"guardvibe": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"guardvibe"
]
}
}
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Guardvibe — questions
Answers built from our own checks of this server.